Operational Technology‑security (OT‑security) is een begrip binnen de industriële digitalisering en extra industrie & security topics.
Definitie
Operational Technology-security (OT-security) is een gespecialiseerd cybersecurity domein dat zich richt op het beveiligen van industriële controlesystemen, SCADA, DCS en andere operationele technologieën die fysieke processen besturen. Het verschilt van traditionele IT-security door focus op continuïteit, veiligheid en real-time performance van productiesystemen.
Kenmerken
- Operational continuity: Prioriteit op system availability en process continuity
- Real-time constraints: Security measures mogen operational performance niet beïnvloeden
- Legacy system integration: Beveiliging van oudere systemen zonder native security features
- Air-gap principles: Physical isolation van kritieke control systems
- Industrial protocol security: Specialized security voor Modbus, DNP3, OPC UA
- Asset visibility: Complete inventory van all connected OT devices
- Threat detection: Anomaly detection specific voor industrial environments
- Incident response: OT-specific response procedures voor security incidents
Toepassing
Manufacturing OT security:
- MES security: Production system protection en access control
- CNC machine security: Controller protection en program integrity
- Robot security: Industrial robot controller en network protection
- Quality system security: SPC en measurement system protection
Network security architecture:
- Network segmentation: Isolating OT networks from IT networks
- Industrial firewalls: Specialized OT traffic filtering
- Industrial VLANs: Logical network separation voor OT systems
- DMZ implementation: Secure data exchange tussen OT en IT domains
Access control:
- Multi-factor authentication: Strong authentication voor OT system access
- Privileged access management: Controlled access tot critical OT systems
- Remote access security: Secure VPN connections voor maintenance
- Physical security: Protection van OT hardware en network infrastructure
Threat protection:
- Industrial malware: Protection against OT-specific malware (Stuxnet, TRITON)
- Insider threats: Protection against malicious internal actors
- Supply chain security: Vendor en partner security assessments
- Social engineering: Awareness training specific voor OT environments
Compliance en standards:
- IEC 62443: International standard voor industrial automation security
- NIST Cybersecurity Framework: OT-specific implementation guidance
- ISA/IEC 62443: Industrial automation en control systems security
- NERC CIP: Critical infrastructure protection standards
Risk assessment:
- Asset criticality: Identifying most critical OT systems en processes
- Vulnerability assessment: OT-specific vulnerability scanning en assessment
- Risk modeling: Threat modeling specific voor industrial environments
- Business impact: Assessment van security incident impact on operations
Gerelateerde begrippen
Verwante termen:
- Cybersecurity - Broader security discipline including OT security
- Network segmentation - Key security architecture for OT protection
- Industrial firewalls - Specialized security appliances for OT
- Industrial VLANs - Network technology supporting OT security
Verwante concepten:
- IT-OT convergence - Integration challenges requiring OT security
- IIoT - Connected devices requiring OT security measures
- Zero trust - Security model applicable to OT environments
- Incident response - Security procedures specific voor OT incidents
Bronnen
- IEC 62443 series - Industrial automation security standards
- NIST SP 800-82 - Guide to Industrial Control Systems Security
- CISA - Critical Infrastructure Cybersecurity guidance
- SANS ICS/SCADA Security - Industrial control system security training
- Dragos Industrial Cybersecurity - OT security threat intelligence
- Claroty OT Security Platform - Industrial cybersecurity solutions
- Nozomi Networks - OT security monitoring en protection
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